Aluminum chair



FIG. 1 is a perspective view of an aluminum chair, showing my new design, with armrests each having a wine glass stem holder near the front ends thereof, and a phantom portion in the seatback that includes optional types of ornamentation;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line shown on the backrest of the drawing is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for an aluminum chair, as shown and described. 